they are used in cutting room. Materia: HDPE/LDPE Tickness: 0.02mm-0.06mm T/T or sight L/C payment are both accept. Name :Cover Film/Polythene FilmMateria:HDPE/LDPETickness:0.02mm-0.06mmWidth:40"-110''Weighe per Roll:25/35/40kgPakaging: Standard shippment packaging PE PO cover film